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Indiana University Bloomington

Department of Biology

Faculty & Research

Research Strengths

Microbial Cell Biology and Environmental Responses

We use powerful and diverse bacterial model systems to study fundamental biological processes.

We attach fluorophores to novel bacterial proteins and use microscopy to dissect protein localization and molecular function.  Our work reveals the subcellular localization that lies at the heart of bacterial development, motility, and cell division.

We use biochemistry and molecular biology to study gene regulation in response to environmental change.  Our work defines the molecular mechanisms of light color perception, intercellular communication, biofilm formation, and the complex responses to scarce nutrients like iron and sulfur.

We use classical forward genetics to explore the origins of mutation and the social pressures that govern bacterial behavior.  Our work illuminates the evolutionary principles that shape microbial genomes and the complex interactions that lead to multicellularity.

Prospective students please note:  Emeritus faculty generally do not accept new graduate students.

Faculty Member Contact Description
Thumbnail photo for Carl Bauer Carl Bauer
Adjunct: Professor and Chair of Biochemistry

bauer [at]
SI 305A / SI 313 / 317 (lab)
Oxygen and light regulation or gene expression; Biosynthesis of heme and chlorophyll; Prokaryotic development.
Thumbnail photo for Stephen Bell Stephen Bell
Professor of Biology and of Molecular and Cellular Biochemistry

Genome, Cell & Developmental Biology
stedbell [at]
812 856 2331
405A Simon Hall
Molecular Biology of the Archaea
Thumbnail photo for Yves Brun Yves Brun
Distinguished Professor of Biology, Clyde Culbertson Professor of Biology

ybrun [at]
JH 447G / JH 447F (lab)
Mechanism, regulation, and evolution of bacterial shape, differentiation, and biofilm formation.
Thumbnail photo for Ankur Dalia Ankur Dalia
Assistant Professor of Biology

ankdalia [at]
812-856-1895 (office)
JH 469A (ofc), JH 455 (lab)
Mechanisms and regulation of biofilm formation, natural transformation, and metabolism in Vibrio cholerae. Using and developing novel genetic tools to dissect the biology of bacterial pathogens and to develop naturally competent microbes for novel biotechnology applications.
Thumbnail photo for Patricia Foster Patricia Foster
Professor Emerita of Biology

plfoster [at]
JH 447E / JH 447A(lab)
Mutagenesis, DNA repair, replication, and recombination.
Thumbnail photo for Clay Fuqua Clay Fuqua
Professor and Chair of Biology

cfuqua [at]
JH 425E /JH 425 (lab)
Attachment, biofilm formation, multicellularity and disease ecology of Agrobacterium tumefaciens
Thumbnail photo for  Gail Hardy Gail Hardy
Assistant Scientist, Brun Lab

gahardy [at]
JH 425/418
Holdfast biosynthesis and anchoring
Thumbnail photo for Ke Hu Ke Hu
Associate Professor of Biology

Genome, Cell & Developmental Biology
kehu [at]
MY 216A / MY 230 (lab)
The Cytoskeletal Biogenesis of Apicomplexan Parasites
Thumbnail photo for Daniel Kearns Daniel Kearns
Professor of Biology

dbkearns [at]
JH 469/JH 432 (lab)
Bacterial motility and multicellular behavior.
Thumbnail photo for David Kehoe David Kehoe
Professor of Biology

dkehoe [at]
JH A413A
Environmental regulation of gene expression in bacteria.
Thumbnail photo for Jay T. Lennon Jay T. Lennon
Associate Professor

Evolution, Ecology & Behavior
lennonj [at]
856-0962 / 6-7235 (lab)
JH 261B / JH 261 (lab)
Microbial Ecology and Evolution
Thumbnail photo for Michael Lynch Michael Lynch
Distinguished Professor of Biology, Class of 1954 Professor

Genome, Cell & Developmental Biology
milynch [at]
JH 324C / JH 327 (lab)
Evolution; population genetics and genomics; cell biology.
Thumbnail photo for Jake McKinlay Jake McKinlay
Assistant Professor of Biology

jmckinla [at]
JH A309 / A308 (lab)
Microbial metabolism and its role in cell physiology, the environment, and biotechnology.
Thumbnail photo for Irene Garcia Newton Irene Garcia Newton
Assistant Professor of Biology

irnewton [at]
JH 217
Functional and evolutionary genomics of symbiosis
Thumbnail photo for Ronald Pearson Ronald Pearson
Research Associate/Raff Lab

rolepear [at]
Microbial ecology, evolution and behavior.
Thumbnail photo for Ho-Ching Tiffany Tsui Ho-Ching Tiffany Tsui
Senior Scientist, Winkler Lab

tttsui [at]
856-1781 / 6-1184
JHA410 / JHA403 (lab)
Dynamics and mechanisms of peptidoglycan (PG) biosynthesis in S. pneumoniae
Thumbnail photo for Julia van Kessel Julia Van Kessel
Assistant Professor of Biology

jcvk [at]
812-856-2235/lab 6-7507
JH A317/lab JH A316
Bacterial cell-cell communication (quorum sensing); gene regulation; bacterial development; microbial genetics and biochemistry
Thumbnail photo for Malcolm Winkler Malcolm Winkler
Professor of Biology; Microbiology Section Associate Chair

mwinkler [at]
JH A414 / JH A410 (lab)
Physiology, molecular genetics, and pathogenesis of the bacterium Streptococcus pneumoniae (pneumococcus).
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